Power BI Specialist

Location: London (Hybrid – 3 days per week on-site) Contract: 6 months, Inside IR35 (extension highly likely) Start: ASAP Overview We are seeking an experienced Senior Power BI to join a high‑profile data and analytics team within a leading energy trading environment. This role requires a hands-on expert in Power BI who can work closely with business stakeholders, optimise existing reporting solutions, and deliver high‑quality dashboards at pace. You will act as a technical leader (not a people manager), collaborating with onshore teams in London and offshore/nearshore teams, ensuring consistent, efficient, and professional delivery. Key Responsibilities Technical Delivery • Design and build new Power BI dashboards, reports, and analytical solutions. • Enhance, refactor, and optimise existing dashboards for performance, usability, and business relevance. • Implement strong data modelling principles (star schema, relationships, filter context). • Apply best practices in DAX, performance optimisation, and UI/UX. Stakeholder Engagement • Work directly with traders and business stakeholders to gather requirements. • Translate business needs into fit‑for‑purpose technical solutions. • Present insights clearly and confidently to non‑technical users. • Deliver high‑quality output with minimal iteration. Proactive Improvement • Identify optimisation and automation opportunities. • Build POCs to demonstrate improvements and new capabilities. • Suggest enhancements leveraging advanced Power BI features and (optionally) Microsoft Fabric / AI-driven capabilities. Mandatory Skills (Strong senior-level capability required) 1. Power BI (core expertise) – dashboards, modelling, optimisation 1. DAX – advanced, scenario-based problem solving 1. SQL – joins, aggregations, analytical logic 1. Data Visualisation & UX Best Practices 1. Analytical Thinking / Problem Solving Technical Skill Requirements Essential • Power BI: • DAX (measures, calculations, complex logic) • Data modelling: star schema, relationships, filter context • Power Query / ETL transformations • Performance optimisation • Dashboard design, KPI build, UX design • Strong communication skills — ability to work closely with traders and senior stakeholders. Nice-to-Have (Not mandatory but beneficial) • SQL scenario-based analysis • Familiarity with Microsoft Fabric • Exposure to AI/Copilot features: • AI DAX generation • AI-powered dataflows • Exploratory/semantic link capabilities • Understanding of data pipelines, data engineering concepts, or transformation layers (not hands-on responsibility). Experience Required • Demonstrable experience in large, complex enterprise data environments • Able to handle high-volume datasets efficiently • Industry background in energy or trading is beneficial but not required • (Candidates from banking or other data-heavy sectors also suitable) Soft Skills • Excellent communicator — confident with demanding stakeholders • Ability to work in a fast-paced, time-sensitive environment • Strong ownership mentality • Team player with the ability to lead technically • Proactive mindset, able to challenge existing solutions constructively How to Apply If you are an experienced Power BI specialist with strong stakeholder engagement skills and thrive in fast-paced environments, we’d love to hear from you. Please apply with your CV and availability.